3D Printing Forum

Hi Guys, instaup I don't own a UM3, but wouldn't fixing that involve removing the cover, adjusting the mainboard slightly, then securing it back in place? Often, these screws might have some play, and if the cover and board shift relative to each other due to the screws, it could lead to this issue.

The gear in the lower image appears to exhibit signs of wear in its central section, and it seems to be obstructed by plastic residue. Initially, you might want to attempt cleaning it to determine if that resolves the issue. However, considering that brass, bein g a relatively soft material, can be ...